Understanding, transferport-size , valvesize vs pressure behind and barrellength

[rumbleUU]

https://www.gatewaytoairguns.org/GTA/index.php?topic=134964.0

the 945 was just a quick avarage(calculate in my head)  from the thread above, you will have the 10 shot there.....

An efficiency of 1 is ok... Of course it can be better, I know that..

[rsterne]

Totaling up the FPE gives 666 FPE / 702 = 0.95 FPE/CI.... The actual average was 939 fps, which gives the same total FPE.... 

Bob

[rumbleUU]

ok, not the best but not the worst either.....

I would assume a speed of 920 fps avarage with the same pellets would give a bit better efficiency also..

Thanks Bob for more clarification,

[rsterne]

Yes, you should get significant improvements in efficiency as you reduce the velocity by reducing the dwell (hammer strike)....

Bob